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Heavy-Duty Electrical Relays & Engine Control Solenoids
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Sealed Relay 3740150 For JLG 24V 100A 1930ES 2030ES 2630ES 2646ES 3246ES
Sealed Relay 3740150 For JLG 24V 100A 1930ES 2030ES 2630ES 2646ES 3246ES Part Number: 3740150 Application: For JLG 24V 100A 1930ES 2030ES 2630ES 2646ES 3246ES Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No...Regular price $ 109 -
Relay YN24S00010P1 for New Holland Excavator E135B E135BSRLC E175B E215B E235BSR E235BSRLC E235BSRNLC E70BSR E80BMSR
Relay YN24S00010P1 for New Holland Excavator E135B E135BSRLC E175B E215B E235BSR E235BSRLC E235BSRNLC E70BSR E80BMSR Part Number: YN24S00010P1 Application: for New Holland Excavator E135B E135BSRLC E175B E215B E235BSR E235BSRLC E235BSRNLC E70BSR E80BMSR Condition: New Aftermarket Parts...Regular price $ 65 -
2PCS 24V Safety Relay 7861-74-5100 7861745100 for Komatau Excavator PC300-8 PC350-8
2PCS 24V Safety Relay 7861-74-5100 7861745100 for Komatau Excavator PC300-8 PC350-8 Part Number: 7861-74-5100 7861745100 Application: for Komatau Excavator PC300-8 PC350-8 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation....Regular price $ 29 -
2PCS 24V 6-Pin Relay MR5A-082 for Excavator
2PCS 24V 6-Pin Relay MR5A-082 for Excavator Part Number: MR5A-082 Application: for Excavator Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures consistent performance under standard conditions....Regular price $ 25 -
3PCS New 156700-2190 Relay For EX200-2/3/5 ZAX200-6 Excavator 4436534
3PCS New 156700-2190 Relay For EX200-2/3/5 ZAX200-6 Excavator 4436534 Part Number: 156700-2190 Application: For EX200-2/3/5 ZAX200-6 Excavator 4436534 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit replacement: No modification required for installation. Stable operation: Ensures...Regular price $ 78 -
111-4870 111-4870X Timer Relay For CAT Excavator 312B 320BL 320B 325B 330B 3316
111-4870 111-4870X Timer Relay For CAT Excavator 312B 320BL 320B 325B 330B 3316 Part Number: 111-4870 111-4870X Application: For CAT Excavator 312B 320BL 320B 325B 330B 3316 Condition: New Aftermarket Parts In Stock Key Features: Direct-fit...Regular price $ 120
If your machinery is experiencing sudden power loss or failing to trigger high-load components, a worn-out replacement electrical relay is often the root cause. As a critical circuit protection device, a precision-engineered relay acts as an electrically operated switch, allowing a low-power signal to control a high-power circuit safely. BeeSpareParts stocks a massive inventory of 12V and 24V relays designed to handle the intense electrical demands of heavy-duty diesel engines.
Electrical issues in a system are often connected. If your engine isn't cranking despite a new relay, we recommend inspecting your for mechanical failure, or browsing our to ensure your system is receiving steady voltage. Our relay assemblies are built with high-conductivity copper contacts and moisture-resistant housings, making them a cost-effective alternative to expensive dealer-branded components.
Whether you need a starter relay for an excavator, a timer relay for a pre-heater, or a general-purpose power relay, our parts are factory-tested for thousands of cycles and are ready for fast international shipping. Keep your electrical system responsive—upgrade to a heavy-duty relay solution today.
Fits for:
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Engine & Model Series: 4BT, 6BT, 4D95, 6D102, 6D107, S6K, S4K, J05E, J08E, 4HK1, 6HK1.
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Equipment Models: ZX, PC, SK, EC, EX series excavators, backhoes, loaders, and backup power units.